IS
Ida Simmons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cooper-County, Missouri
Our Model Tree links this Ida Simmons across the 1930 and 1940 US Censuses in Cooper-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cooper-County, Missouri |
| Surname | Simmons |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Pilot Grove twp |
| 1935 Residence (County) | Cooper |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Pilot Grove Twp |
| Est. Birth Year | ~1930 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Vincent Simmons | Son | — | 2 | ~1938 |
| Elizabeth Simmons | Spouse | — | 33 | ~1907 |
| Glen Simmons | Son | — | 9 | ~1931 |
| Henrietta Simmons | Daughter | — | 12 | ~1928 |
| Ida Simmons | Daughter | — | 10 | ~1930 |
| John Simmons | Head | — | 77 | ~1863 |
Census Appearances
1930
Cooper, Missouri
Daughter, age
Cooper, Missouri · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Ida B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Cooper-County, Missouri
Daughter, age 10
Cooper-County, Missouri · implied b. ~1930 — 6 household members
| Surname | Simmons |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Pilot Grove twp |
| 1935 Residence (County) | Cooper |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Ida Simmons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Simmons
Daughter · 1940 · age 10 · b. ~1930 · Missouri
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Sibling
Glen Simmons
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henrietta Simmons
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Simmons
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cooper-County, Missouri
Open full size
1940 US Federal Census — Cooper-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02100-00442)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John M. Simmons | 77 | Head | Farmer | Missouri |
| 2 | Elizabeth Simmons | 33 | Wife | — | Missouri |
| 3 | Henrietta Simmons | 12 | Daughter | — | Missouri |
| 4 | Ida Simmons THIS PERSON | 10 | Daughter | — | Missouri |
| 5 | Glen C. Simmons | 9 | Son | — | Missouri |
| 6 | Vincent R. Simmons | 2 | Son | — | Missouri |
| 7 | Walter Kraus | 51 | Head | Farmer | Missouri |
| 8 | Martha Kraus | 49 | Wife | — | Missouri |
| 9 | Imelda Kraus | 18 | Daughter | Stenographer | Missouri |
| 10 | Gertrude Kraus | 13 | Daughter | — | Missouri |
| 11 | Thomas Kraus | 11 | Son | — | Missouri |
| 12 | Richard Kraus | 7 | Son | — | Missouri |
| 13 | Aloys Vollmer | 32 | Head | Farmer | Missouri |
| 14 | Emma Vollmer | 26 | Wife | — | Missouri |
| 15 | Edward Vollmer | 5 | Son | — | Missouri |
| 16 | Robert Vollmer | 3 | Son | — | Missouri |
| 17 | Leonard Vollmer | 2 | Son | — | Missouri |
| 18 | Joseph Hoff | 54 | Head | Farmer | Missouri |
| 19 | Kathryn Hoff | 49 | Wife | — | Missouri |
| 20 | Eugene Hoff | 20 | Son | Labor-Farmer | Missouri |
| 21 | James Hoff | 10 | Son | — | Missouri |
| 22 | Julia Boody | 69 | Head | — | Missouri |
| 23 | William Boody | 39 | Brother | Farmer | Missouri |
| 24 | Mary Vollmer | 66 | Head | — | Missouri |
| 25 | Anna Vollmer | 37 | Daughter | — | Missouri |
| 26 | Raymond Vollmer | 35 | Son | Farmer | Missouri |
| 27 | John Immele | 73 | Head | Teacher-Elec | Missouri |
| 28 | Anna Immele | 66 | Wife | — | Missouri |
| 29 | Leonard Immele | 24 | Son | — | Missouri |
| 30 | Lena Fahrendorf | 59 | Head | Farm Manager | Germany |
| 31 | Marie Fahrendorf | 27 | Daughter | — | Missouri |
| 32 | Carla Fahrendorf | 23 | Son | Labor-Electric | Missouri |
| 33 | Loretta Fahrendorf | 21 | Daughter | — | Missouri |
| 34 | Joseph Fahrendorf | 18 | Son | Farm | Missouri |
| 35 | Connie Fahrendorf | 15 | Daughter | — | Missouri |
| 36 | John Meyer | 48 | Head | Farmer | Missouri |
| 37 | Edna Meyer | 38 | Wife | — | Missouri |
| 38 | Ferdinand Meyer | 15 | Son | — | Missouri |
| 39 | Leonard Meyer | 12 | Son | — | Missouri |
| 40 | Karleen Meyer | 7 | Daughter | — | Missouri |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)